https://antik.gko.uni-leipzig.de/index.php?id=36
I visited this place five years ago. It's a small but fine museum. You can buy copies of busts of Epicurus and Hermarchus online or at the museum's shop. They are cheap and of a good quality. Ironically, these busts itself are not shown in the museum (but are made from casts of the originals they have in their depot). But they show a original Roman statue, itself a Roman reproduction of a Greek bust of Metrodorus. It was amazing to have a look on a statue, Roman Epicureans had a look on!